diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index ade590707793..d28d55beaacd 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -4779,7 +4779,7 @@ int btrfs_delete_subvolume(struct btrfs_inode *dir, struct dentry *dentry)
 		spin_unlock(&dest->root_item_lock);
 		btrfs_warn(fs_info,
 			   "attempt to delete subvolume %llu with active swapfile",
-			   btrfs_root_id(root));
+			   btrfs_root_id(dest));
 		ret = -EPERM;
 		goto out_up_write;
 	}